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I'm trying to build a REST web service (server side) that will allow a partner system to connect/POST order information in JSON format. Should I use JAX RS (for example from JBOSS RESTEasy) or Spring MVC to build such a service? They both seem capable enough to accomplish the same thing as far as building a REST service is concerned.
Thank you!
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JAX-RS is only a specification and it needs a compatible implementation to be used. On the other hand, Spring MVC is a complete framework with REST capabilities. Like JAX-RS, it also provides us with useful annotations to abstract from low-level details.
The Spring Framework is a full framework that allows you to create Java enterprise applications. The REST capabilities are provided by the Spring MVC module (same module that provides model-view-controller capabilities). It is not a JAX-RS implementation and can be seen as a Spring alternative to the JAX-RS standard.
The REST API support was introduced in Spring from version 3.0 onwards; since then, it has steadily evolved to the present day. We can create REST resources in the following ways: Using controllers which are used to handle HTTP requests such as GET, POST, PUT, and so forth.
Spring RestController annotation is used to create RESTful web services using Spring MVC. Spring RestController takes care of mapping request data to the defined request handler method. Once response body is generated from the handler method, it converts it to JSON or XML response.
Depends if you want to learn something new or go with what you already know.
If you already have experience with Spring MVC and want to get the work done quickly, then I'd suggest staying with Spring MVC. There are some neat enhancements to the REST features in Spring 3.1, including the ability to generate "end point documentation".
If, on the other hand, you are looking to expand your CV and/or enjoy learning new technologies, then give JAX RS a go. I haven't used it but it is a dedicated WS framework that would likely have any feature you'd require.
Of course, if you have experience with JAX RS but not Spring MVC, then the opposite applies :-)
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